Inherited Bone Marrow Failure Syndromes, also known as inherited bone marrow failure syndrome, is related to dyskeratosis congenita, autosomal dominant 3 and fanconi anemia, complementation group a. An important gene associated with Inherited Bone Marrow Failure Syndromes is DNAJC21 (DnaJ Heat Shock Protein Family (Hsp40) Member C21). The drugs Fludarabine and Tacrolimus have been mentioned in the context of this disorder. Affiliated tissues include bone marrow and bone.